LAS VEGAS, NV – MARCH 02: Cole Custer, driver of the #00 Haas Automation Ford, and Austin Cindric, driver of the #22 MoneyLion Ford, lead the field to green for the start of the NASCAR Xfinty Series Boyd Gaming 300 at Las Vegas Motor Speedway on March 2, 2019 in Las Vegas, Nevada. (Photo by Robert Laberge/Getty Images)

LAS VEGAS, NV – MARCH 02: Kyle Busch, driver of the #18 Extreme Concepts/iK9 Toyota, and John Hunter Nemechek, driver of the #23 Allegiant Chevrolet, lead the field during a late race restart during the NASCAR Xfinty Series Boyd Gaming 300 at Las Vegas Motor Speedway on March 2, 2019 in Las Vegas, Nevada. (Photo by Sarah Crabill/Getty Images)

LAS VEGAS, NV – MARCH 02: Kyle Busch, driver of the #18 Extreme Concepts/iK9 Toyota, crosses the finish line to take the checkered flag and win the NASCAR Xfinty Series Boyd Gaming 300 at Las Vegas Motor Speedway on March 2, 2019 in Las Vegas, Nevada. (Photo by Robert Laberge/Getty Images)